package imgshare.service;

import imgshare.model.Follow;
import imgshare.model.FollowKey;

import java.util.List;

public interface FollowService {
    void createFollowRelation(FollowKey followKey);

    Follow find(FollowKey followKey);

    void switchFollow(Follow follow);

    List<Integer> findMyFollowingUsersIds(Integer userId);
}
